Prime Minister Scott Morrison announced his plan to ease restrictions on kava imports during his recent trip to Vanuatu — but Yolngu elders are saying the move could have grave impacts on remote Australia.

Tanzanian Seif Sakate stood out in the small, Australian coastal town he called home but it helped him get noticed by the locals who eventually followed him to Africa to build a school and a kindergarten.

The world's richest and most powerful people are gathered in Switzerland to tackle pressing global issues, but analysts say the model over which they preside is fuelling populism and increasing inequality.